How do NOTAMs affect RAWS and weather sensor operations?

• A. NOTAMs inform users about outages, maintenance, or changes to radar/wx sensors or procedures that could impact operations.
• B. NOTAMs ban all RAWS operations.
• C. NOTAMs replace ATC communications.
• D. NOTAMs have no effect.

Answer: (B)

NOTAMs for RAWS and weather sensors are notices that communicate the current status and any changes to radar and weather data sources. They alert you to outages, maintenance windows, or changes to sensor capabilities or procedures that could affect how data is collected, disseminated, or interpreted. This information is essential for planning and safety because if a radar or weather sensor is offline or operating with degraded performance, the data you rely on might be unavailable or less reliable. By letting operators know in advance, NOTAMs enable you to adjust workflows, use backup data sources, or modify procedures to maintain situational awareness.

NOTAMs do not ban all RAWS operations, nor do they replace ATC communications. They are a warning and planning tool that complements real-time coordination and other weather information, ensuring everyone can anticipate and respond appropriately to sensor limitations or changes. If a NOTAM indicates a sensor outage or procedural change, you would factor that into operational decisions rather than assuming no activity is permitted.